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Plano perependicualr a otro
javierCL
12/2/20
537
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Answer
Solution
}
}
}
}
}
}
}
}
}
}
α2
α1
r2
r1
s2
s1
v1
v2
h2
h1
h2
h1
v1
v2
β
2
β1
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